| (19) |
 |
|
(11) |
EP 0 476 366 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
30.09.1992 Bulletin 1992/40 |
| (43) |
Date of publication A2: |
|
25.03.1992 Bulletin 1992/13 |
| (22) |
Date of filing: 27.08.1991 |
|
|
| (84) |
Designated Contracting States: |
|
DE ES FR GB IT NL |
| (30) |
Priority: |
18.09.1990 US 584019
|
| (71) |
Applicant: GENERAL ELECTRIC COMPANY |
|
Schenectady
New York 12305 (US) |
|
| (72) |
Inventors: |
|
- Berzinis, Albin Peter
Lenox,
Massachusetts 01240 (US)
- Swanson, David John
Stuyvesant Falls,
New York (US)
- Chambers, Gregory Robert
Newburgh,
Indiana 47630 (US)
|
| (74) |
Representative: Pratt, Richard Wilson et al |
|
London Patent Operation
G.E. Technical Services Co. Inc.
Essex House
12/13 Essex Street
London WC2R 3AA
London WC2R 3AA (GB) |
|
| |
|
| (54) |
Polyphenylene ether compositions of improved melt strength |
(57) Polymer blend compositions exhibiting improved melt strength comprise a polyphenylene
ether resin, a rubber-modified polystyrene resin and a high molecular weight polystyrene
polymer having a weight average molecular weight greater than about one million. The
blend compositions are particularly suitable for blow molding plastic articles.